JPH06195727A - 光学式走査装置 - Google Patents

光学式走査装置

Info

Publication number
JPH06195727A
JPH06195727A JP5200786A JP20078693A JPH06195727A JP H06195727 A JPH06195727 A JP H06195727A JP 5200786 A JP5200786 A JP 5200786A JP 20078693 A JP20078693 A JP 20078693A JP H06195727 A JPH06195727 A JP H06195727A
Authority
JP
Japan
Prior art keywords
sub
scanning device
radiation
scanning
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5200786A
Other languages
English (en)
Japanese (ja)
Inventor
Willem G Opheij
ヘラルド オペーイ ウィレム
Jozef P H Benschop
ペトラス ヘンリカス ベンスホップ ヨゼフ
Heidrun Steinhauser
シュテインハウザー ハイドルン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPH06195727A publication Critical patent/JPH06195727A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Optical Head (AREA)
JP5200786A 1992-08-12 1993-08-12 光学式走査装置 Pending JPH06195727A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP92202487 1992-08-12
NL92202487:2 1992-08-12

Publications (1)

Publication Number Publication Date
JPH06195727A true JPH06195727A (ja) 1994-07-15

Family

ID=8210848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5200786A Pending JPH06195727A (ja) 1992-08-12 1993-08-12 光学式走査装置

Country Status (6)

Country Link
US (1) US5579298A (zh)
JP (1) JPH06195727A (zh)
CN (1) CN1047454C (zh)
AT (1) ATE168491T1 (zh)
DE (1) DE69319673T2 (zh)
TW (1) TW283233B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035346A1 (en) * 1997-02-07 1998-08-13 Sharp Kabushiki Kaisha Optical pickup device
WO2000008640A1 (fr) * 1998-08-04 2000-02-17 Sony Corporation Dispositif optique integre et tete de lecture optique et unite de disque optique

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835471A (en) * 1995-06-12 1998-11-10 Canon Kabushiki Kaisha Optical information recording and/or reproducing apparatus
KR0165425B1 (ko) * 1995-08-18 1999-03-20 김광호 고밀도 기록재생을 위한 광픽업
WO1997023871A1 (en) * 1995-12-21 1997-07-03 Philips Electronics N.V. Optical scanning device
KR19980066004A (ko) * 1997-01-17 1998-10-15 김광호 광픽업장치
CN1122988C (zh) * 1997-08-12 2003-10-01 株式会社三协精机制作所 光传感头装置及其制造方法
TW444201B (en) * 1998-02-16 2001-07-01 Hitachi Ltd Optical head
JP2002163831A (ja) * 2000-11-27 2002-06-07 Sharp Corp 半導体レーザ装置および光ピックアップ装置
JP2002288856A (ja) * 2001-03-27 2002-10-04 Sharp Corp 光ピックアップ
US6894959B2 (en) * 2001-08-23 2005-05-17 Matsushita Electric Industrial Co., Ltd. Method and apparatus for exposing optical disk master
TW200839569A (en) 2007-03-23 2008-10-01 Asustek Comp Inc Quick imgae capture system
CN105607034A (zh) * 2015-12-23 2016-05-25 北京凌宇智控科技有限公司 一种三维空间检测系统、定位方法及系统
CN106646365B (zh) * 2016-11-25 2024-02-20 北京凌宇智控科技有限公司 一种定位基站、定位系统及定位方法
CN106526540B (zh) * 2016-11-25 2024-05-28 北京凌宇智控科技有限公司 一种定位基站、定位系统及定位方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724533A (en) * 1984-06-15 1988-02-09 Matsushita Electric Industrial Co., Ltd. Optical head
US4733065A (en) * 1984-06-27 1988-03-22 Canon Kabushiki Kaisha Optical head device with diffraction grating for separating a light beam incident on an optical recording medium from a light beam reflected therefrom
NL8502835A (nl) * 1985-10-17 1987-05-18 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
EP0228620B1 (en) * 1985-12-10 1991-06-05 Nec Corporation Optical head comprising a diffraction grating for directing two or more diffracted beams to optical detectors
JPH073704B2 (ja) * 1987-03-18 1995-01-18 富士通株式会社 ２ビ−ム式光ピツクアツプ
US5270996A (en) * 1986-12-25 1993-12-14 Nec Corporation Optical head with diffraction grating producing five diffracted detection light beams
NL8701749A (nl) * 1987-07-24 1989-02-16 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
DE3889509T2 (de) * 1987-08-24 1994-10-20 Sharp Kk Optische Abtastvorrichtung und optische Gitteranordnung dazu.
EP0318912B1 (en) * 1987-11-30 1994-02-02 Nec Corporation An optical head
JPH0770065B2 (ja) * 1988-04-20 1995-07-31 シャープ株式会社 光ピックアップ装置
JPH0758559B2 (ja) * 1988-09-02 1995-06-21 シャープ株式会社 光ピックアップ装置
US5062098A (en) * 1988-10-19 1991-10-29 Matsushita Electric Industrial Co., Ltd. Optical pick-up device having holographic element
NL8802988A (nl) * 1988-12-05 1990-07-02 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
KR940001999B1 (ko) * 1989-06-06 1994-03-12 샤프 가부시끼가이샤 광 픽업장치
JPH0354733A (ja) * 1989-07-21 1991-03-08 Sony Corp 光学記録および／または再生装置
JP3155287B2 (ja) * 1990-05-30 2001-04-09 株式会社リコー 光情報記録再生装置
JP2875650B2 (ja) * 1991-08-23 1999-03-31 シャープ株式会社 光学式情報記録再生装置
JP2776487B2 (ja) * 1992-01-28 1998-07-16 シャープ株式会社 光学式情報記録再生装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035346A1 (en) * 1997-02-07 1998-08-13 Sharp Kabushiki Kaisha Optical pickup device
US6339562B1 (en) 1997-02-07 2002-01-15 Sharp Kabushiki Kaisha Optical pickup device
WO2000008640A1 (fr) * 1998-08-04 2000-02-17 Sony Corporation Dispositif optique integre et tete de lecture optique et unite de disque optique
US6483650B1 (en) * 1998-08-04 2002-11-19 Sony Corporation Integrated optical element, optical pickup, and optical disk device

Also Published As

Publication number Publication date
CN1047454C (zh) 1999-12-15
CN1082741A (zh) 1994-02-23
TW283233B (zh) 1996-08-11
DE69319673T2 (de) 1999-02-25
ATE168491T1 (de) 1998-08-15
DE69319673D1 (de) 1998-08-20
US5579298A (en) 1996-11-26

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